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516 Commits

Author SHA1 Message Date
Tiger Wang a999c5d845 More cProtocol cleanup
* Alpha sort functions
* Simplify hand handling
* Fix left handed mode client-side display
2021-04-12 22:35:07 +01:00
Tiger Wang 2fc86476ae Improve bed handling robustness
+ Boot the player out if the bed was destroyed
2021-04-12 22:35:07 +01:00
Tiger Wang 66c211c33a Unify multiprotocol entity animations 2021-04-12 22:35:07 +01:00
Tiger Wang 1394fc8eb5 Streamline player abilities handling
* Update player list gamemode on world change
* Fix invisibility for spectators, use entity metadata
* Populate m_World for cPlayers on load
- Remove SendPlayerMaxSpeed, a duplicate of SendEntityProperties
2021-04-12 22:35:07 +01:00
Tiger Wang 0f9d424427 Fix block break particles 2021-04-12 22:35:07 +01:00
Tiger Wang 4cd49d7eca Fix sending incorrect date values on world change
Yak shave: make more things use cTickTime. Fix a couple of incorrect modulo-on-millisecond-value by making them use WorldTickAge.
2021-04-12 22:35:07 +01:00
Damián Imrich 071b7be3d4
Basic elytra flight (#5124)
* Basic elytra flight

Co-authored-by: 12xx12 <44411062+12xx12@users.noreply.github.com>
Co-authored-by: Tiger Wang <ziwei.tiger@outlook.com>
2021-04-03 18:45:20 +01:00
Tiger Wang 8a30a4a7b8 Player data loading cleanup
* Kick player if data were corrupt to avoid making it worse
2021-03-29 23:36:15 +01:00
Tiger Wang 8ec5552998
Do an early check for empty network buffers (#5172)
Avoid overhead when nothing to do.
2021-03-29 23:36:00 +01:00
Tiger Wang abcc14076c Call ProcessProtocolOut at opportune times 2021-03-28 21:20:13 +01:00
Tiger Wang c24e968f2c Send keep alives slightly less frequently
Ref: http://github.com/cuberite/cuberite/issues/4082#issuecomment-348675321
2021-03-28 15:36:10 +01:00
Tiger Wang 2687f2df30
Fix chunk block changes being sent out of order (#5169)
* Flush out all pending, buffered changes at the end of each tick, after every chunk is ticked. This makes every block update client-side in unison, instead of unlucky ones only being sent 1 tick later.
* Re-add buffer for outgoing network data; IOCP async WSASend has higher overhead than expected... Fixes regression introduced in 054a89dd9
2021-03-28 14:44:20 +01:00
Tiger Wang 90369deb5a
Change TimeOfDay to WorldDate (#5160)
* Change TimeOfDay to WorldDate

* Do not wrap at 20 minutes, continue incrementing
* Fixes #4737
* Fixes #5159
2021-03-20 20:58:19 +00:00
Tiger Wang 55ba39ca0e Don't send ping updates one packet at a time
* Use the batch update feature of the packet.
* Lengthen interval between time and ping update packets (ref. http://github.com/cuberite/cuberite/issues/4082#issuecomment-348675321).
2021-03-19 11:23:30 +00:00
Tiger Wang 45591cbe7b
Properly deprecate more XYZ parameter'd functions (#5147)
* Fixes #5144
2021-03-15 02:28:18 +00:00
Tiger Wang 01a4e696b3
Do protocol decryption in-place (with CryptoAPI on Windows) (#5145) 2021-03-08 16:37:36 +00:00
12xx12 8405b8969f
Adding Boss bar (#5025)
+ Add boss bar

Co-authored-by: Tiger Wang <ziwei.tiger@outlook.com>
2021-03-05 15:08:30 +00:00
dImrich 925f960ea2 Adds playerlist header and footer broadcasting (1.8-1.13) 2021-02-06 14:14:40 +00:00
Tiger Wang 49ef21d650 MultiVersionProtocol: fix two crashes
First one: add missing exception handler in ProcessProtocolIn

Second: remove faulty logic dealing with incomplete packets.

`a_Data = a_Data.substr(m_Buffer.GetUsedSpace() - m_Buffer.GetReadableSpace());`

was incorrect; it attempted to apply a length derived from m_Buffer to an unrelated a_Data. Its purpose was to give cProtocol the data the client sent, minus initial handshake bytes. However, we can use the knowledge that during initial handshake, there is no encryption and every byte can be written unchanged into m_Buffer, to just call cProtocol with a data length of zero. This will cause it to parse from m_Buffer - wherein we have already written everything the client sent - with no a_Data manipulation needed.

Additionally, removed UnsupportedButPingableProtocolException (use of exception as control flow) and encode this state as m_Protocol == nullptr, id est "no protocol for this unsupported version", which is then handled by cMultiVersionProtocol itself.
2021-01-19 09:54:58 +00:00
Tiger Wang 054a89dd9e Clarify cClientHandle, cPlayer ownership semantics
+ A cPlayer, once created, has a strong pointer to the cClientHandle. The player ticks the clienthandle. If he finds the handle destroyed, he destroys himself in turn. Nothing else can kill the player.
* The client handle has a pointer to the player. Once a player is created, the client handle never outlasts the player, nor does it manage the player's lifetime. The pointer is always safe to use after FinishAuthenticate, which is also the point where cProtocol is put into the Game state that allows player manipulation.
+ Entities are once again never lost by constructing a chunk when they try to move into one that doesn't exist.
* Fixed a forgotten Super invocation in cPlayer::OnRemoveFromWorld.
* Fix SaveToDisk usage in destructor by only saving things cPlayer owns, instead of accessing cWorld.
2021-01-12 12:34:34 +00:00
Tiger Wang eeb63b8901
zlib -> libdeflate (#5085)
+ Use libdeflate
+ Use std::byte
* Fix passing temporary to string_view
+ Emulate make_unique_for_overwrite
2021-01-11 16:39:43 +00:00
Tiger Wang abc96bb4ce Avoid an std::list in StreamNextChunk 2020-12-26 17:55:45 +00:00
Tiger Wang bb37e5c152 Streamline ClientHandle chunk send a little
- Removed RemoveFromAllChunks. On destruction cWorld::RemovePlayer calls RemoveClientFromChunks already, and there's no need to manually clear the chunk lists.
2020-12-26 17:55:45 +00:00
Tiger Wang d9a7c51d4d ViewDistance: unsigned -> signed 2020-12-26 16:58:53 +00:00
mathiascode 2103308618 Ignore CanFly flag sent by the client 2020-12-18 21:03:50 +00:00
Tiger Wang 090d8305e4 Warnings improvements
* Turn off global-constructors warning. These are needed to implement cRoot signal handler functionality
* Add Clang flags based on version lookup instead of a compile test. The CMake config process is single threaded and slow enough already
* Reduced GetStackValue verbosity
+ Clarify EnchantmentLevel, StayCount, AlwaysTicked, ViewDistance signedness
+ Give SettingsRepositoryInterface a move constructor to simplify main.cpp code
- Remove do {} while (false) construction in redstone handler
2020-12-18 21:03:40 +00:00
Tiger Wang 645fea4237
Players are no longer kicked when clicking on bedrock (#5023)
* Players are no longer kicked when clicking on bedrock
* Fixes #5022
2020-11-06 14:58:47 +00:00
12xx12 3381c0f6d6
Merged OnBreak with OnPlayerBreak (#4967)
Co-authored-by: 12xx12 <12xx12100@gmail.com>
Co-authored-by: Tiger Wang <ziwei.tiger@outlook.com>
2020-10-08 20:13:44 +01:00
peterbell10 a9031b6bae
Fix cmake not adding Werror on clang, and _lots_ of warnings (#4963)
* Fix cmake not adding Werror on clang, and _lots_ of warnings

* WIP: Build fixes

* Cannot make intermediate blockhandler instance

* Tiger's changes

* Fix BitIndex check

* Handle invalid NextState values in cMultiVersionProtocol

Co-authored-by: Tiger Wang <ziwei.tiger@outlook.com>
2020-10-05 10:27:14 +00:00
Tiger Wang 21068011c6 Remove SetProperty(...cPlayer)
Enchantment table, anvil windows are already opened one per-player.
2020-10-03 16:54:14 +01:00
KingCol13 cd1b507745
Fix instant mining of blocks not being recognised, tweak anti-cheat (#4938)
* Tried to fix a small issue...

Ended up rewriting a bunch of god awful, opaque code with no source
and no sense. Who names a function GetPlayerRelativeBlockHardness???
It's gone now. We're safe again.

* Testing anti-cheat.

* Tidy up debug logging.

* Remove empty member declaration.

* Rewrite GetDigSpeed slightly for better readability.

* GetMiningProgressPerTick now returns 1 when instantly mined. Fixed hasily written typo.

* Comment style and typo fixes.
2020-10-02 20:57:17 +00:00
KingCol13 8947147c25
Enchanting table shows detail on hover. Enchanting is deterministic. (#4937)
* Use lapis for enchanting, subtract correct number of levels, ClientHandle now selects from pregenerated list.

Co-authored-by: Tiger Wang <ziwei.tiger@outlook.com>
2020-10-01 22:33:32 +01:00
Tiger Wang c9fbb43ac7
HandleEnchantItem: use a lambda (#4944) 2020-09-28 22:38:10 +00:00
KingCol13 32af227fa7
Enchanting consumes lapis, removes correct number of levels (#4934)
* Use lapis for enchanting, subtract correct number of levels.
* Enforced distancing regulation better than our government.

Co-authored-by: Tiger Wang <ziwei.tiger@outlook.com>
2020-09-28 00:51:23 +01:00
Tiger Wang 4519469547 Do not call into things we don't own in destructors
- Remove improper accesses in cChunk destructor
* Fixes #4894
2020-09-25 14:51:16 +01:00
Tiger Wang 68cced73af
BlockHandler initialisation is a constant expression (#4891)
* BlockHandler initialisation is a constant expression

If we can't make it all namespaces, this is the next best I guess.

+ Tag handlers constexpr, const as needed
+ Inherit constructors
* Privatise handler functions

* More constexpr

Co-authored-by: Alexander Harkness <me@bearbin.net>
2020-09-20 13:50:52 +00:00
Tiger Wang 198407807f
Reverse order of ChunkSender priorities (#4858)
* Reduces confusion when using overloaded operator< and priority_queue

Co-authored-by: peterbell10 <peterbell10@live.co.uk>
2020-09-12 19:43:18 +00:00
Tiger Wang 93adbdce9a
Use tracing for explosions (#4845)
* TNT: Implement tracing algorithm

+ Add intensity tracing
* Fix iterating over all players to SendExplosion, even those not in range

* Implemented TNT entity interaction

* Fixed misaligned destruction tracing

* Finalise TNT algorithm

- Remove BlockArea and just use chunks

Using SetBlock makes it so that we can update everything properly, and does appear to be faster.

* BlockInfo learns about explosion attentuation

* Rename Explodinator parameters

* TNT: pull block destruction into common function

Co-authored-by: Alexander Harkness <me@bearbin.net>
2020-09-12 18:57:44 +00:00
12xx12 c2f8ceb554
Add more statistic tracking (#4837)
+ Added possible 1.8 stats
+ Added stat tracking for 1.8.2
+ Added stat tracking for 1.9
+ Added the breed cow achievement

Co-authored-by: 12xx12 <12xx12100@gmail.com>
2020-09-05 16:13:44 +01:00
Tiger Wang a473e8ba52 ChunkDataSerializer: don't repeatedly mallocate
+ Store an instance of the class, the way it seems it is meant to be used.
2020-08-21 18:22:04 +01:00
Tiger Wang 6bdd130aab OnBroken/OnPlaced are for entity actions
* Call OnPlaced/OnBroken in PlaceBlock/DigBlock
- Remove unused Placing/Breaking handlers
* Have the blockhandler's Check handle neighbour updating, instead of QueueTickBlockNeighbors
2020-08-04 18:15:18 +01:00
Mattes D 46398f4671 Replaced cpp14::make_unique<> with std::make_unique<>. 2020-08-01 20:04:31 +01:00
Tiger Wang 00f8c3a225 Implement "caching" in ChunkDataSerializer
+ When sending a chunk to multiple clients, group them by protocol version and send the same data
2020-07-19 16:29:49 +01:00
Tiger Wang 9c6b5a3ec9 Delete unused member 2020-07-18 19:23:10 +01:00
Tiger Wang ff2c246de2
cProtocolRecognizer goes on a diet (#4770)
- Removed inheritance from cProtocol
2020-07-17 18:46:50 +01:00
Tobias Wilken 36eab1b323
Introduce recipe book functionality (#4493)
* Introduce recipe book functionality

The recipe book helps especially new players. Missing it gives the
impression that cuberite is not as advanced as it is.

The handling of the recipe book uses the following functions:

- Unlock Recipes
(https://wiki.vg/index.php?title=Protocol&oldid=14204#Unlock_Recipes) to
make recipes available and show the notification for new recipes.
Initialization is done on player login for known ones, the update is done
when new items are discovered.
- Craft Recipe Request
(https://wiki.vg/index.php?title=Protocol&oldid=14204#Craft_Recipe_Request)
when the user selects a recipe from the recipe book to fill the slots.

Known recipes are initialized on player login via `Unlock Recipes` with
`Action` 0.
As soon as a new recipe is discovered this is added via `Unlock Recipes`
with `Action` 1.

To be able to know and recognize new recipes the player class is
extended with `KnownItems` and `KnownRecipes`. As soon as a player
touches an item this is compared to the list of `KnownItems`, if the
item is unknown the recipes are checked for this item and the other
ingredients are checked with the list of `KnownItems`. If a full match
is discovered the recipe is unlocked with the client and stored in the
`KnownRecipes`.

To unlock recipes the recipe ID is sent to the client. A mapping file
(for protocol 1.12.2) translated the minecraft recipe names to ids. The
crafting.txt is extended with and minecraft recipe names is possible.

Limitations:
Only a single recipe is added to the crafting area. Multiple clicks or
shift click does not increase the number of builds.

Co-authored-by: peterbell10 <peterbell10@live.co.uk>

* Address first issues mentioned by @peterbell10

- Some linting
- Extract loading of recipe specific protocol mapping into a function
- Build `RecipeNameMap` only once
- Use `std::optional`
- Extract `LoadRecipe` from `Window`

* Start to implement new suggestions

* Update with suggestions from @peterbell10

* Some minor cleanup

* Update protocol packet IDs
* Remove unused include
* Include header in cmake
* Change a vector to integer counter

* Change dromedaryCase method names to PascalCase

* Address suggestions from @madmaxoft

* Read Protocol subdirectories to load recipe books

To load all recipebooks iterate over the `Protocol` subdirectories
to find mapping files.

Co-authored-by: peterbell10 <peterbell10@live.co.uk>
2020-07-14 17:56:42 +01:00
peterbell10 13144a08e4
Enable some more clang-tidy linter checks (#4738)
* Avoid inefficient AString -> c_str() -> AString round trip

* Avoid redundant string init expressions

* Avoid unnecessary return, continue, etc.

* Add .clang-format to help with clang-tidy fix-its

* Avoid unnecessary passing by value

* Avoid unnecessary local copying

* Avoid copying in range-for loops

* Avoid over-complicated boolean expressions

* Some violations missed by my local clang-tidy

* Allow unnecessary continue statements

* Add brackets

* Another expression missed locally

* Move BindingsProcessor call into clang-tidy.sh and add space

* Fix pushd not found error

* Different grouping of CheckBlockInteractionRate
2020-05-14 22:15:35 +00:00
Lukas Pioch e3de0aef64
Added check if player is in spectator mode (#4709) 2020-05-04 08:14:59 +00:00
Tiger Wang 07ca095740
Improve entity position updates (#4701)
* Make puking pickups fly nicer

* Improve entity position updates

* Move determination of whether a delta is too big for a packet into the protocol handlers
+ Less jittery movement
+ Generalise CollectEntity to take any entity
2020-05-04 08:10:47 +00:00
Tiger Wang 0b9b7bc1a8 Unify entity spawn packet sending 2020-04-30 23:04:56 +01:00